AT&T might still be marketing its HSPA+ network as 4G but the carrier has been hyping up its LTE 4G network. AT&T's CTO John Donovan recently revealed in an interview with Forbes, that the carrier is planning to deploy Voice over LTE (VoLTE) by the year 2013.

The Motorola Atrix 4G will hit the stores by March 6 or earlier for $199.99 with a two-year service agreement. That date is fast approaching so a number of tech sites have been given the green light to publish their Motorola Atrix 4G reviews. Experts have gotten their hands on the HSPA+ smartphone for AT&T and their opinions are now out on the web.

Here are some of the Motorola Atrix 4G reviews that have been published in the last few days. Check out the links to these reviews after the break.

AT&T has reveled the release date for its first HSPA+ smartphone. The HTC Inspire 4G will be available starting Sunday, February 13, for $99.99 with a new two-year contract.

This upcoming AT&T 4G smartphone is the carrier's first handset to run the Android 2.2 platform and offer the mobile hotspot application. The Inspire 4G features a 4.3-inch super LCD display, and an 8-megapixel camera with HD video recording.

AT&T's first HSPA+ 4G smartphone will hit the market nexth month. Motorola CEO Sanjay Jha recently confirmed that the ATrix 4G for AT&T ;has been set for a launch at the end of February.

The Motorola Atrix 4G is a convertible superphone that features a dual-core Tegra 2 processor, a 4.3-inch 540 x 960-pixel display and an optional laptop dock that converts the device into a full-size smartbook.

AT&T has introduced a trio of HSPA+ 4G smartphones that will rival the other 4G handsets from T-Mobile Sprint and Verizon Wireless. The HTC Inspire 4G, Motorola Atrix 4G and Samsung Infuse 4G will carry the fight for the AT&T HSPA+ network.

Let's look into these new US 4G smartphones after the break.

Here's a new chapter in the US 4G war saga. Verizon Wireless has made an aggressive move by marketing its 4G network as the fastest in America. It appears that the carrier also intends to release a series of ads that attacks the 4G networks of its rivals.

T-Mobile's decision to rebrand its HSPA+ network as 4G technology have triggered heated responses from is rivals. However, a closer lk reveals that the competitors in the US fourth generation wireless market are not actually offering 4G.

Sprint WiMAX, T-Mobile HSPA+, MetroPCS LTE and Verizon's upcoming LTE network may offer speeds that are faster than 3G but they are not technically 4G. The term appears that have evolved into a label that describe a network that offers speeds tha are higher than 3G.

AT&T may not be mentioned frequently in 4G discussions but the carrier has a device that offer LTE upgradeability in 2011.  The carrier has also introduced a modem that will work with its upcoming HSPA+ upgrade. Let's take a closer look at AT&T's USBConnect Adrenaline modem and Sierra Wireless' USBConnect Shockwave.

No longer content with keeping silent, AT&T has released information on their upcoming LTE 4G network at the Bank of America Merrill Lynch 2010 Media, Communications & Entertainment Conference. John Stankey, AT&T's operations CEO, has revealed that the carrier plans to launch its Long Term Evolution (LTE 4G) network by the middle of 2011.

We are currently moving into the 4G age, where we will experience wireless speeds that are significantly faster than the current 3G networks. LTE 4G technology or Long Term Evolution is one of the leading solutions that will usher in the next generation of wireless networks. Let's dig deeper into LTE 4G technology.

The arrival of LTE 4G technology will bring: